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World Lung Day 2026: Lungs Begin Healing Immediately After Quitting Smoking

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Firstpost•25-09-2026, 07:26
World Lung Day 2026: Lungs Begin Healing Immediately After Quitting Smoking
- •Dr. Sarath Chandra Bhrungi emphasizes that lungs have a remarkable capacity to heal, and it's never too late to quit smoking, with recovery starting immediately after cessation.
- •Smoking exposes lungs to over 7,000 chemicals, paralyzing cilia and leading to toxin accumulation, increasing risks of COPD, lung cancer, and mortality.
- •Within 20 minutes of quitting, heart rate and blood pressure normalize; within 12 hours, carbon monoxide levels drop, improving oxygen delivery to organs.
- •Over weeks and months, circulation improves, lung function recovers, and cilia regain activity, clearing mucus and debris, leading to reduced breathlessness and coughing.
- •While not all damage is reversible, significant improvement in lung function is possible, and quitting at any stage offers substantial health benefits, with the body repairing itself instantly.
Key Questions Answered
Within 20 minutes of putting out your final cigarette, your heart rate and blood pressure begin to return towards normal.
By 12 hours after quitting smoking, carbon monoxide levels in the blood fall, which allows oxygen levels to improve and organs to function more efficiently.
While lungs have a remarkable capacity to heal and many functions improve significantly, recovery may not always be complete, as the extent depends on smoking duration, intensity, and whether conditions like COPD or emphysema have developed.





